Group 1 - The white paper published by China Unicom Research Institute in August 2025 focuses on the integration of computing and networking (算网融合) CDN technology, analyzing the research background, development status of Unicom's CDN, key technologies, and future directions to provide industry references [1][5][8] - The Internet 2030 initiative promotes the construction of new digital infrastructure, with the integration of computing and networking as a key feature that empowers CDN development, especially with the increasing demand for differentiated services in emerging video applications [1][18] - As of May 2024, the proportion of active IPv6 users in China reached 72.70%, with significant improvements in the deployment of IPv6 nodes by CDN companies, laying a foundation for network development through IPv6+ technology [1][31][32] Group 2 - China Unicom's CDN development includes the launch of a new self-developed CDN product in July 2024, with nodes deployed in core data centers, covering all provinces and serving top enterprises [1][39] - The intelligent CDN development is planned in three stages: 1.0 focuses on building data center CDN; 2.0 utilizes MEC and BNC to develop edge CDN; 3.0 aims to integrate AI edge inference with CDN [1][40][41] - The edge CDN is categorized into three types: fixed network edge CDN, mobile network edge CDN, and integrated edge CDN, enhancing user experience through node sinking, intelligent scheduling, and tiered guarantees [1][45][48] Group 3 - Key technologies for the integration of computing and networking CDN include SRv6 routing optimization, application-aware CDN, and unified transport protocols, which enhance efficiency and reduce latency [2][29] - The SRv6 technology can reduce routing adjustment periods from three minutes to one second, achieving a latency reduction of 20% to 30% [2][29] - The application-aware CDN, based on APN technology, breaks the traditional separation between CDN and network, providing acceleration services at three "Mile" points to address operational pain points for telecom networks [2][29] Group 4 - The demand for bandwidth is expected to grow exponentially due to the rise of ultra-high-definition video applications, with 4K video requiring bandwidth between 22.5M to 75M and 8K video requiring 90M to 300M [1][43][44] - The rapid growth of internet data traffic, particularly driven by video services, necessitates the development of edge CDN solutions to alleviate pressure on backbone networks [1][44] - China Unicom aims to leverage its MEC operations to develop intelligent CDN solutions that support ultra-high-definition and low-latency content distribution [1][44][52]